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Determine the Heat Given Off to the Surroundings When 9 →\rarr

Question 33

Multiple Choice

Determine the heat given off to the surroundings when 9.0 g of aluminum reacts according to the equation 2Al + Fe2O3 →\rarr Al2O3 + 2Fe, Δ\Delta H°rxn= -849 kJ/mol.


A) 7.6 * 103 kJ
B) 2.8 * 102 kJ
C) 1.4 * 102 kJ
D) 5.6 * 102 kJ
E) 2.5 * 103 kJ

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